<vbox id="zen-glance-sidebar-container" hidden="true">
  <toolbarbutton id="zen-glance-sidebar-close" data-l10n-id="zen-general-confirm" class="toolbarbutton-1"/>
  <toolbarbutton id="zen-glance-sidebar-open" class="toolbarbutton-1"/>
  <toolbarbutton id="zen-glance-sidebar-split" class="toolbarbutton-1"/>
</vbox>
